From 808cbac97a66cbf8453b377baf26571a7ccbe707 Mon Sep 17 00:00:00 2001
From: felixcheung <felixcheung_m@hotmail.com>
Date: Thu, 29 Oct 2015 14:48:31 -0700
Subject: [PATCH] Enable url link in R doc for Persist

---
 R/pkg/R/DataFrame.R | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/R/pkg/R/DataFrame.R b/R/pkg/R/DataFrame.R
index c8944459542a..87a2c66ffd2a 100644
--- a/R/pkg/R/DataFrame.R
+++ b/R/pkg/R/DataFrame.R
@@ -357,7 +357,7 @@ setMethod("cache",
 #'
 #' Persist this DataFrame with the specified storage level. For details of the
 #' supported storage levels, refer to
-#' http://spark.apache.org/docs/latest/programming-guide.html#rdd-persistence.
+#' \url{http://spark.apache.org/docs/latest/programming-guide.html#rdd-persistence}.
 #'
 #' @param x The DataFrame to persist
 #' @rdname persist
@@ -1572,7 +1572,7 @@ setMethod("merge",
             joinRes
           })
 
-#' 
+#'
 #' Creates a list of columns by replacing the intersected ones with aliases.
 #' The name of the alias column is formed by concatanating the original column name and a suffix.
 #'